Finding the Fourth Proportional to 229,643.08, 344,278.74 and 71,790.28
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Solution
The fourth proportional to 229,643.08, 344,278.74 and 71,790.28 is: 107,627.31
Step by Step Solution
- Step 1: Write the proportion equation
229,643.08 : 344,278.74 = 71,790.28 : x - Step 2: Convert to fraction form
229,643.08/344,278.74 = 71,790.28/x - Step 3: Cross multiply
229,643.08x = 344,278.74 × 71,790.28 - Step 4: Simplify right side
229,643.08x = 24,715,867,142.65 - Step 5: Solve for x
x = 24,715,867,142.65/229,643.08 - Step 6: Final answer
x = 107,627.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.